class Celsius:
    def __init__(self, value = 26.0):
        self.value = float(value)
        
    def __get__(self, instance, owner):
        return self.value
    
    def __set__(self, instance, value):
        self.value = float(value)

    def __delete__(self, instance):
        return self.value


class Fahrenheit:
    def __get__(self, instance, owner):
        return instance.cel * 1.8 +32
    
    def __set__(self, instance, value):
        instance.cel = (float(value) - 32) / 1.8


class CAndH:
    cel = Celsius()
    fah = Fahrenheit()
